Anatomy and Physiology

How Fast Do Neurons Fire and Why Does It Matter?

What Color Are Cockroach Eggs? How to Identify Them

Why Does My Foot Cramp When I Lay Down?

How Big Was Sarcosuchus, the Prehistoric SuperCroc?

What Do Fish Breathe Out? The Science of Aquatic Respiration

Why Are My Veins More Visible? Causes and Concerns

What Is a Systemic Effect in Biology and Health?

What Do Rattlesnakes Sound Like and Why Do They Rattle?

Why Do Doctors Tap Your Knee? The Reflex Explained

Can Tight Pants Cause Stomach Pain?

How Big Was an Ankylosaurus? A Look at Its Dimensions

How Big Were Compys? The True Size of Compsognathus

Why Am I So Tired After Cataract Surgery?

Do Light Colored Eyes Let in More Light?

Can You Feel Flutters at 12 Weeks?

How Long Does Your Bladder Take to Fill?

What Are Isotonic Solutions Used For?

Should You Use Ice or Heat for Back Pain?

What Is It Called When Your Second Toe Is Longer Than Your Big Toe?

Are Amphibians Warm or Cold-Blooded?